document.write( "Question 636632: If QRST is a rectangle with QT = 50 and RS = 4x + 8, find x. \n" ); document.write( "
Algebra.Com's Answer #401158 by nerdybill(7384)\"\" \"About 
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If QRST is a rectangle with QT = 50 and RS = 4x + 8, find x.
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\n" ); document.write( "QT = RS (opposite sides of a rectangle are equal)
\n" ); document.write( "50 = 4x + 8
\n" ); document.write( "42 = 4x
\n" ); document.write( "10.5 = x
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